{"id":"CVE-2026-15791","aliases":["GHSA-32pv-7hq5-qhwq"],"url":"https://o3.security/vulnerability/CVE-2026-15791","summary":"LLB file operation can be tricked to remove /tmp directory contents","details":"A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory. The action that can normally be used to delete files inside the build container rootfs can escape into the real host temp directory.","published":"2026-07-21T16:10:20.881Z","modified":"2026-08-12T03:51:37.230427599Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15791.json"},{"type":"ADVISORY","url":"https://github.com/moby/buildkit/security/advisories/GHSA-32pv-7hq5-qhwq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15791"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:37.230427599Z"}}